P4SMA540AHE3_ALL Encyclopedia Entry

Product Overview

Belongs to: Diode
Category: TVS (Transient Voltage Suppressor)
Use: Protection against voltage transients in electronic circuits
Characteristics: Low clamping voltage, fast response time, high surge capability
Package: DO-214AC (SMA)
Essence: Safeguarding sensitive electronic components from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Pulse Power: 400 W
• Breakdown Voltage: 540 V
• Clamping Voltage: 873 V
• Maximum Reverse Leakage Current: 1 µA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The P4SMA540AHE3_ALL is a unidirectional TVS diode with two pins. The anode is connected to the positive side of the circuit, and the cathode is connected to the ground or negative side.

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage transients.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to downstream components.
• High Surge Capability: Can withstand large surge currents without degradation.

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time - High surge capability

Disadvantages: - Clamping voltage may be relatively high for some applications - Unidirectional protection only

Working Principles

When a voltage transient occurs, the P4SMA540AHE3_ALL conducts current to limit the voltage across the protected circuit. This prevents the voltage from reaching levels that could damage sensitive components.

Detailed Application Field Plans

• Telecommunications: Protects communication equipment from lightning-induced surges.
• Automotive Electronics: Safeguards vehicle electronics from voltage spikes caused by load dump or jump-start events.
• Industrial Control Systems: Shields control circuitry from power surges and transients.

Detailed and Complete Alternative Models

• P6SMBJ540A: Similar TVS diode with higher peak pulse power rating
• 1.5SMC540CA: TVS diode with lower clamping voltage and higher surge capability

This comprehensive entry provides a detailed understanding of the P4SMA540AHE3_ALL TVS diode, including its specifications, functional features, application fields, and alternative models.